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Can Medial Patellar Luxation Be Prevented in Puppies?

Can Medial Patellar Luxation Be Prevented in Puppies?

Medial Patellar Luxation

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Owners

Learn how to reduce the risk of medial patellar luxation in puppies with early care tips, safe exercise, diet, and vet-guided joint support

By 

Sustainable Vet Group

Updated on

July 28, 2025

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Can Medial Patellar Luxation Be Prevented in Puppies?

What Is Medial Patellar Luxation in Puppies?

Medial Patellar Luxation (MPL) is a common knee problem in puppies, where the kneecap doesn’t stay in the right place.

In a healthy knee, the patella (kneecap) sits in a groove at the end of the femur and slides smoothly as the leg moves. In puppies with MPL, the kneecap slips inward—toward the other leg—causing an unstable joint. This can lead to limping, skipping steps, or trouble walking as the puppy grows.

MPL can be congenital, meaning the puppy is born with a shallow groove or weak ligaments that allow the kneecap to move out of place. It can also be acquired, which means it develops later due to injury, poor nutrition, or uneven bone growth during puppyhood.

Some breeds are more prone to MPL due to their body structure and genetics. These include:

  • Yorkshire Terrier
  • Pomeranian
  • Chihuahua
  • Poodle
  • Boston Terrier

While not all puppies will show signs early, it’s important for owners of at-risk breeds to monitor for any leg issues and begin prevention early. Early care can reduce long-term problems.

Is Medial Patellar Luxation Preventable?

MPL is mostly genetic, but there are ways to reduce the risk and support healthy joint development in puppies.

Most cases of MPL are hereditary, especially in small breeds. Puppies can be born with shallow grooves in the knee or loose ligaments, which cause the kneecap to slip. While there's no guaranteed way to prevent it, smart early care can delay or reduce the severity of symptoms.

Ways to lower MPL risk include:

  • Avoid breeding dogs with a known history of MPL
  • Choose responsible breeders who screen for orthopedic issues
  • Support joint health through proper weight, nutrition, and exercise
  • Detect early signs like “skipping” steps or limping during puppy exams

Starting joint-friendly habits early helps protect the knees during growth. Supplements and low-impact activity don’t stop MPL from forming, but they can improve joint strength and comfort.

If your puppy is in a high-risk breed, talk to your vet about a prevention plan. While MPL may still develop, you can reduce pain, improve function, and possibly avoid surgery later in life with early care and close monitoring.

Read more | Unilateral vs. Bilateral Medial Patellar Luxation in Dogs

How to Identify Puppies at Higher Risk

Some puppies are born more likely to develop MPL based on their breed and family background. Spotting risk early can help you act before the condition worsens.

High-risk breeds often include small or toy dogs. Their bone structure and genetics make MPL more common.

Breeds at higher risk:

  • Yorkshire Terrier
  • Chihuahua
  • Pomeranian
  • French Bulldog
  • Poodle

Family history also matters. If a parent or sibling had MPL, the puppy has a higher chance of getting it. Even if they look fine now, underlying joint issues could appear as they grow.

Signs of early MPL include:

  • Occasional “skipping” steps
  • Limping that comes and goes
  • Back leg held up for a few strides
  • Reluctance to play or jump

Ask your vet during puppy checkups:

  • Are the kneecaps tracking normally?
  • Is there any looseness or instability in the joints?
  • Should we consider early joint support or supplements?

The earlier MPL is identified, the easier it is to manage. Don’t wait until limping becomes regular—track movement and behavior from the start.

Read more | Grade 2 Medial Patellar Luxation: Surgery Decision Guide

Joint Health Tips to Lower Risk in Puppies

Simple changes in daily care can help reduce joint stress as your puppy grows. These habits won’t prevent MPL completely but can lower the chances of joint damage or worsening symptoms.

Maintain a Healthy Weight During Growth

Keeping your puppy at a healthy weight is one of the best ways to protect their knees.

  • Avoid overfeeding or too many treats
  • Watch for rapid weight gain in the first year
  • Monitor weight monthly, especially in small breeds

Extra weight adds stress to developing joints and increases the risk of instability.

Use Low-Impact Exercise to Build Muscle

Gentle movement builds strength without causing joint strain.

  • Short daily leash walks on even surfaces
  • No fetch, running, or jumping games
  • Safe play on soft grass or padded floors

This keeps the leg muscles strong while protecting the kneecap.

Avoid High-Risk Movements and Environments

Jumping or slipping increases injury risk during growth.

  • Don’t let puppies use stairs or jump from furniture
  • Use ramps or steps for couches and beds
  • Cover floors with non-slip rugs or foam mats

Start Joint-Friendly Supplements Early (If Vet Approves)

Talk to your vet before starting anything, but early support may help.

  • Glucosamine and chondroitin
  • Omega-3 fatty acids for joint lubrication
  • Vitamin C and manganese-rich diets to support collagen

Each small step adds protection as the puppy grows.

Read more | Medial Patellar Luxation in Small vs. Large Dogs

Puppy Growth and Bone Development: What Matters Most

Puppies grow rapidly in their first year, and how their bones form during this stage can affect joint health for life. Balanced nutrition and proper rest play a huge role in preventing joint stress.

One key factor is calcium and phosphorus balance. Too much calcium can cause uneven bone growth or joint issues. That’s why you should always feed vet-recommended puppy food, not adult food or homemade diets without guidance.

Important tips for healthy bone development:

  • Choose a complete and balanced puppy formula based on breed size
  • Avoid adding extra calcium or supplements unless approved
  • Don’t let your puppy over-exercise during growth spurts
  • Provide crate or pen rest periods during the day to avoid fatigue
  • Monitor height and weight with regular vet visits

For large or small breeds, each bone growth stage must be supported. Sudden changes in weight or intense exercise can affect the knee structure. Puppy bones are soft and flexible—good habits during this stage create stronger joints for the future.

Read more | Best Exercises and Rehab for Dogs After MPL Surgery

Sample Prevention Plan for Puppy Owners

Building joint-friendly habits into daily life can make a big difference, especially if your puppy is in a high-risk breed. A prevention plan doesn’t need to be complex—it just needs to be consistent.

Vet care routine:

  • Full orthopedic exam at each puppy visit
  • Ask about kneecap tracking and joint health
  • Discuss early signs like skipping or leg favoring

Daily activity:

  • Controlled leash walks on grass or carpet
  • Avoid rough play with larger dogs
  • Play with puzzle toys or soft tug games instead of fetch

Feeding tips:

  • Use puppy food with proper calcium-phosphorus ratio
  • Keep portions small and frequent
  • Monitor body condition weekly (you should feel ribs but not see them)

Home setup:

  • Place rugs on tile or wood floors
  • Use ramps or steps for furniture
  • Block off stairs with baby gates

Starting these practices early supports strong joint development and reduces the chance of painful knee problems later in life.

Read more | Medial Patellar Luxation Treatment Without Surgery

Myths About MPL Prevention You Should Know

Many well-meaning owners believe myths that could delay proper care for MPL. Knowing the facts helps you make better choices for your puppy’s joint health.

Myth 1: “Supplements will prevent MPL.”
Supplements can support joint health, but they don’t prevent misaligned bones or hereditary luxation.

Myth 2: “If there’s no limp, there’s no problem.”
Early MPL signs may be subtle or come and go. Skipping steps or brief lameness may be the first signs.

Myth 3: “Muscle strength alone can fix it.”
Strong muscles help stabilize the joint, but they can’t correct bone structure problems if the kneecap doesn’t track properly.

Myth 4: “All limping is due to injury.”
Puppies with recurring limping or skipping should always be checked by a vet, even if it seems mild.

Avoiding these myths helps you take early action when needed. Prevention isn’t about guessing—it’s about watching closely and supporting healthy growth.

Read more:

  • Signs and Symptoms of Medial Patellar Luxation in Dogs
  • Recovery After Medial Patellar Luxation Surgery in Dogs
  • How to Tell If Your Dog Has a Medially Luxating Patella
  • Final Thoughts on Preventing MPL in Puppies

    You can’t completely prevent Medial Patellar Luxation, but you can lower the risk and reduce long-term joint problems by making smart choices early in your puppy’s life.

    Dogs with strong muscles, healthy joints, and good weight control are less likely to develop painful symptoms, even if they carry a genetic risk.

    Key takeaways:

    • You can’t control genetics, but you can control environment and care
    • Early joint support leads to better long-term outcomes
    • Regular vet exams help spot MPL early
    • Focus on safe play, joint-friendly diets, and avoiding high-impact activity

    Prevention is about setting up your puppy for a healthy future. Every small step—from soft flooring to gentle exercise—adds up. With close vet guidance and a bit of planning, your puppy can grow into a strong, active dog with minimal joint issues.

    FAQs

    Can you stop MPL from developing in puppies?

    You can’t fully stop MPL from developing, especially if it’s genetic. However, you can reduce the risk of symptoms by managing your puppy’s weight, providing joint-friendly exercise, and avoiding high-impact activity. Early vet care and a proper home environment also help minimize joint stress during growth.

    What breeds are most prone to MPL in puppies?

    Small and toy breeds are most commonly affected by MPL. This includes Yorkshire Terriers, Chihuahuas, Pomeranians, Toy Poodles, and French Bulldogs. These breeds often have shallow knee grooves and soft tissue looseness from birth, increasing the chance of the kneecap slipping out of place as they grow.

    Do joint supplements work for prevention?

    Joint supplements don’t prevent MPL, but they can support healthy cartilage and reduce inflammation. Ingredients like glucosamine, chondroitin, and omega-3s may help protect the joint as the puppy grows. Always ask your vet before starting supplements, especially in very young or small-breed puppies.

    Is exercise safe for puppies with suspected MPL?

    Yes, but only low-impact, vet-approved exercise is safe. Avoid running, fetch, or jumping. Instead, stick to short, slow leash walks on soft ground. If your puppy shows signs like skipping steps or limping, limit activity and consult your vet before continuing any movement routine.

    When should a vet examine patella alignment in puppies?

    A vet should check your puppy’s kneecaps during every routine exam, starting as early as 8 weeks. Early detection of loose or misaligned patellae helps guide care. If your puppy is in a high-risk breed or showing unusual movement, ask your vet to assess patellar tracking closely.

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